3.1 sec in total
360 ms
2.5 sec
275 ms
Click here to check amazing Astronomie content for Austria. Otherwise, check out these important facts you probably never knew about astronomie.de
Description
Visit astronomie.deWe analyzed Astronomie.de page load time and found that the first response time was 360 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
astronomie.de performance score
name
value
score
weighting
Value1.9 s
86/100
10%
Value2.5 s
89/100
25%
Value2.9 s
95/100
10%
Value30 ms
100/100
30%
Value0.059
98/100
15%
Value4.1 s
87/100
10%
360 ms
1238 ms
99 ms
30 ms
8 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 78% of them (32 requests) were addressed to the original Astronomie.de, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Der-mond.org. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Astronomie.de.
Page size can be reduced by 174.3 kB (32%)
543.4 kB
369.2 kB
In fact, the total size of Astronomie.de main page is 543.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 346.8 kB which makes up the majority of the site volume.
Potential reduce by 25.1 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 7.3 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.1 kB or 80% of the original size.
Potential reduce by 29.2 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Astronomie images are well optimized though.
Potential reduce by 56.3 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 56.3 kB or 63% of the original size.
Potential reduce by 63.7 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Astronomie.de needs all CSS files to be minified and compressed as it can save up to 63.7 kB or 84% of the original size.
Number of requests can be reduced by 10 (26%)
39
29
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astronomie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
astronomie.de
360 ms
1238 ms
stylesheet_26cd5a57d8.css
99 ms
jquery.min.js
30 ms
jquery-migrate-1.2.1.min.js
8 ms
javascript_8d985c2683.js
192 ms
ff.css
195 ms
jquery.fancybox.css
194 ms
ufo.js
196 ms
jquery.fancybox.pack.js
211 ms
content.js
213 ms
analytics.js
45 ms
mondphase.gif
549 ms
bgsterne.gif
97 ms
logo_print.jpg
98 ms
logo.png
99 ms
rss_menue.png
99 ms
facebook.png
100 ms
pfeil1.png
99 ms
2016-hurtig-banner-ade.jpg
298 ms
7ebbe45d95.jpeg
384 ms
23fc19c7aa.png
298 ms
RTEmagicC_online-planetarium_01.jpg.jpg
207 ms
Feeds_32x32.png
207 ms
3415432492.jpeg
299 ms
3f127a92a9.jpg
398 ms
c3567df293.jpg
304 ms
210ee5e456.jpg
394 ms
c22cb6aa58.png
394 ms
8ab5668f37.jpg
395 ms
826eaf6ab8.jpg
494 ms
d0ac784a4d.jpg
479 ms
RTEmagicC_astro_leinwand_01.jpg.jpg
491 ms
RTEmagicC_astro_tasse_01.jpg.jpg
491 ms
sunsoho.jpg
568 ms
collect
13 ms
baader_03.gif
270 ms
5e39adf05b2844881821a9528064302c.gif
193 ms
f7f6c55445d369b7668679537046e1ab.gif
97 ms
druck.css
98 ms
schmall.css
97 ms
astronomie.de accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
astronomie.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
astronomie.de SEO score
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Astronomie.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Astronomie.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
astronomie.de
Open Graph description is not detected on the main page of Astronomie. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: